﻿	<p>The distribution flow element <em>IfcFlowController</em> defines
    the occurrence of elements of a distribution system that 
    are used to regulate flow through a distribution system. 
    Examples include dampers, valves, switches, and relays. Its type is defined by 
    <em>IfcFlowControllerType</em> or subtypes.</p>

<blockquote class="history">
HISTORY&nbsp; New entity in IFC2.0.
</blockquote>
<blockquote class="change-ifc2x4">
IFC4 CHANGE&nbsp; This entity has been deprecated for instantiation and will become ABSTRACT in a future release; new subtypes should now be used instead.
</blockquote>
